Jefferson County, ID People


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United States / Idaho / Idaho Falls / Jefferson County / Cities / Zip Codes
Jefferson, ID County is a great place to call home. With a population of 30,427 and a population density of 28 people per square mile, it's easy to settle in and establish some roots. This county offers many year-round outdoor activities such as hiking, fishing, camping and skiing for those who love the outdoors. There are also many local businesses such as Blaine’s Coffeehouse & Cafe, The Pizza Factory, and Triangle Grocery that offer tasty treats and fare. Other organizations such as the Palouse Open Air Market and the Jefferson County Library offer educational support and fun activities for all ages. Lastly, local sporting events like high school football games draw large crowds eager to cheer on their team. All in all, Jefferson County is a great place to live with plenty of activities both indoors and out!

The population in Jefferson County is 30,427. There are 28 people per square mile aka population density. The median age in Jefferson County is 31.9, the US median age is 38.4. The number of people per household in Jefferson County is 3.2, the US average of people per household is 2.6.

Family in Jefferson County
- 65.4% are married
- 8.7% are divorced
- 46.0% are married with children
- 11.4% have children, but are single
Race in Jefferson County

- 87.1% are White
- 0.1% are Black
- 0.3% are Asian
- 0.3% are Native American
- 0.0% claim Other
- 10.4% claim Hispanic ethnicity
- 1.6% Two or more races
- 0.2% Hawaiian, Pacific Islander

   Estimated Total Population by Age

  PeopleJefferson, IdahoUnited States
  30,427.0329,725,481.0
  49.3%50.5%
  50.7%49.5%
  31.938.4
 
  29,238.0326,569,308.0
  26,222.0309,327,143.0
  19,155.0285,036,114.0
  16,540.0251,960,433.0
  59.7%15.6%
  84.9%30.8%
 
  27.893.4
  1093.683531905.423
  12.034264836.791
 
  86.1%59.4%
  0.0%12.2%
  0.3%5.6%
  0.8%0.6%
  0.0%0.2%
  0.4%0.4%
  1.8%3.2%
  10.6%18.4%
 
  65.4%49.8%
  64.2%48.0%
  1.2%1.8%
  34.6%50.2%
  23.1%33.8%
  7.9%10.8%
  3.6%5.6%
 
  3.252.6
  9,345.0124,010,992.0
  7,545.080,755,759.0
  46.5%30.5%
  43.8%42.9%
  1,800.043,255,233.0
  6.7%15.8%
  3.0%10.8%
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